| //go:build linux |
| // +build linux |
| |
| package apparmor // import "github.com/docker/docker/profiles/apparmor" |
| |
| // NOTE: This profile is replicated in containerd and libpod. If you make a |
| // change to this profile, please make follow-up PRs to those projects so |
| // that these rules can be synchronised (because any issue with this |
| // profile will likely affect libpod and containerd). |
| // TODO: Move this to a common project so we can maintain it in one spot. |
| |
| // baseTemplate defines the default apparmor profile for containers. |
| const baseTemplate = ` |
| {{range $value := .Imports}} |
| {{$value}} |
| {{end}} |
| |
| profile {{.Name}} flags=(attach_disconnected,mediate_deleted) { |
| {{range $value := .InnerImports}} |
| {{$value}} |
| {{end}} |
| |
| network, |
| capability, |
| file, |
| umount, |
| {{if ge .Version 208096}} |
| # Host (privileged) processes may send signals to container processes. |
| signal (receive) peer=unconfined, |
| # dockerd may send signals to container processes (for "docker kill"). |
| signal (receive) peer={{.DaemonProfile}}, |
| # Container processes may send signals amongst themselves. |
| signal (send,receive) peer={{.Name}}, |
| {{end}} |
| |
| deny @{PROC}/* w, # deny write for all files directly in /proc (not in a subdir) |
| # deny write to files not in /proc/<number>/** or /proc/sys/** |
| deny @{PROC}/{[^1-9],[^1-9][^0-9],[^1-9s][^0-9y][^0-9s],[^1-9][^0-9][^0-9][^0-9/]*}/** w, |
| deny @{PROC}/sys/[^k]** w, # deny /proc/sys except /proc/sys/k* (effectively /proc/sys/kernel) |
| deny @{PROC}/sys/kernel/{?,??,[^s][^h][^m]**} w, # deny everything except shm* in /proc/sys/kernel/ |
| deny @{PROC}/sysrq-trigger rwklx, |
| deny @{PROC}/kcore rwklx, |
| |
| deny mount, |
| |
| deny /sys/[^f]*/** wklx, |
| deny /sys/f[^s]*/** wklx, |
| deny /sys/fs/[^c]*/** wklx, |
| deny /sys/fs/c[^g]*/** wklx, |
| deny /sys/fs/cg[^r]*/** wklx, |
| deny /sys/firmware/** rwklx, |
| deny /sys/kernel/security/** rwklx, |
| |
| {{if ge .Version 208095}} |
| # suppress ptrace denials when using 'docker ps' or using 'ps' inside a container |
| ptrace (trace,read,tracedby,readby) peer={{.Name}}, |
| {{end}} |
| } |
| ` |